McQuay MDS300B Manuals

Manuals and User Guides for McQuay MDS300B. We have 2 McQuay MDS300B manuals available for free PDF download: Service Manual, Applications Manual

McQuay MDS300B Service Manual

McQuay MDS300B Service Manual (166 pages)

Multi Digital Scroll System

Brand: McQuay | Category: Compressor | Size: 8.88 MB

Table of Contents

Table of Contents
4
Preface
6
1 Introduction

7
- Digital Scroll Compressor
  7
- Operating Range
  8
- Basic Layout of MDS System
  9
- Maximum Connectible Indoor
  9
- Maximum Piping Length
  10
- Refnet and Distributor
  10
- EXV Box
  12
2 System and Control

13
- MDS Outdoor System and Control
  13
- MDS Indoor System and Control
  16
- MDS System Piping Connection
  17
- Heater Control
  18
- Outdoor Ball Valve Operation
  19
3 PCB, Handset and Wiring

20
4 Smart Commander

35
- Introduction
  35
- Hardware Requirement
  35
- Installation of Smart Commander
  35
- Wiring Connection
  37
- Setup of Smart Commander
  39
- Smart Commander Software Interface
  43
  - Circuit Monitor
    43
  - Service Monitor
    47
  - Additional Function
    48
5 Commissioning

51
- Obtain Design Drawing and Report
  52
- Check Piping Routing, Wiring Routing & Connection
  52
- Add in Additional Refrigerant
  53
- Confirm Indoor Dipswitch Setting
  54
- Power up All Indoor
  56
- Confirm Outdoor Dipswitch Setting
  58
  - Setting up MDOM PCB
    58
  - Setting up MDS-M PCB
    61
- Power up Outdoor
  63
- Start All Indoors
  65
- Monitor Outdoor Parameter
  65
6 Troubleshooting

66
7 Appendix

96

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McQuay MDS300B Applications Manual

McQuay MDS300B Applications Manual (116 pages)

Multi-Digital Scroll Units

Brand: McQuay | Category: Air Conditioner | Size: 5.07 MB

Table of Contents

Table of Contents
3
1 Overview

4
- General Information
  4
- Working Principle & System Principle
  4
- Main Features
  10
- Nomenclature
  12
- Products Series
  14
- Performance Parameter
  15
- Operating Range
  19
- Refnet
  19
- Outline of Indoor Units
  21
- Outline of Outdoor Units
  25
2 Unit Control

27
- Introduction of the Controller
  27
- Main Functions
  27
- Operation of the Controller
  28
- Software Management System
  32
- Network Central Control
  34
- Wiring Diagram
  35
- Electric Connection
  49
- Electric Data
  51
3 Selection

52
- Load Calculation
  52
- Selection of Indoor Units
  54
- Selection of Outdoor Units
  55
- Design of Air System
  58
- Selection of Refnet Joint
  63
- Selection of E-EXV Box
  66
4 Installation

67
5 Testing

97
- Hardware Diagram and Configuration
  97
- Trial Run
  104
6 Servicing and Maintenance

105
- User Guide
  105
- Servicing and Maintenance
  106
7 Fault Code and Troubleshooting

110
Annexes

112

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